diff --git a/scripts/install/client.sh b/scripts/install/client.sh
index 5041f4e..fbaf503 100755
--- a/scripts/install/client.sh
+++ b/scripts/install/client.sh
@@ -72,7 +72,7 @@ fi
 
 # 4. build
 log "4. Building client release binary"
-sudo -u "$ORIG_USER" bash -c "cd '$SRC/client' && cargo clean && cargo build --release"
+sudo -u "$ORIG_USER" env TMPDIR="$TMPDIR" bash -c "cd '$SRC/client' && cargo clean && cargo build --release"
 
 # 5. install binary
 log "5. Installing launchable client binaries"
diff --git a/scripts/install/server.sh b/scripts/install/server.sh
index d6c4c10..410b9cf 100755
--- a/scripts/install/server.sh
+++ b/scripts/install/server.sh
@@ -160,7 +160,7 @@ else
 fi
 
 echo "==> 4c. Source build"
-sudo -u "$ORIG_USER" bash -c "cd '$SRC_DIR/server' && cargo clean && cargo build --release --bins"
+sudo -u "$ORIG_USER" env TMPDIR="$TMPDIR" bash -c "cd '$SRC_DIR/server' && cargo clean && cargo build --release --bins"
 
 echo "==> 5. Install binaries"
 sudo install -Dm755 "$SRC_DIR/target/release/lesavka-server" /usr/local/bin/lesavka-server